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一、前言冷轧薄板厂电镀锡板的生产自1978年投产以来已经有8年。其生产电镀锡板28万多吨,其中大部分产品用于食品工业的包容件,缓和了国内电镀锡板短缺的状况。武钢电镀锡板是按照GB2520-81标准生产的,它等效于国际标准ISO-R1111-1;ISO-R1111-2,在国标中,对表面质量有下述规定:“I组:整个表面应均匀平滑,不允许存在对使用有影响的伤痕、凹坑、折皱、锈迹及其他缺陷。在正常使用和贮存条件下,整个表面都适应涂料和印刷。Ⅱ组:允许有夹杂、折皱、刮伤、油迹、压痕、烧点等小面积较明显的缺陷,整个表面不保证都能涂料和印刷”。
I. Introduction cold-rolled sheet plant production of tin plate production since 1978 has been eight years. Its production of more than 280,000 tons of tin plate, most of which products for the food industry-inclusive pieces, eased the shortage of domestic tin plate. WISCO tinplate is produced in accordance with the standard GB2520-81, which is equivalent to the international standard ISO-R1111-1; ISO-R1111-2, in the national standard, the following provisions of the surface quality: "Group I: the entire surface should be Uniform and smooth, does not allow the existence of the use of the impact of the scars, pits, wrinkles, rust and other defects under normal use and storage conditions, the entire surface to adapt to paint and printing. Ⅱ Group: Allow inclusions, wrinkles, scraping Injury, oil, indentation, burning spots and other small area more obvious defects, the entire surface can not be guaranteed to paint and printing.